Development and application of a novel miniature in situ microprofiler (NAFRI BelpI)
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- 作者：Jae Seong Lee (1)
Eun-Soo Kim (1)
Sung-Hyun Kahng (1)
Seok-Hyun Yoon (2)
Jin-Hyung Cho (3)
Kyung-Soo Bahk (4)
Dong-Jin Kang (1) - 关键词：in ; situ microprofiler ; microsensor ; sediment oxygen consumption rate ; oxygen penetration depth
- 刊名：Ocean Science Journal
- 出版年：2012
- 出版时间：December 2012
- 年：2012
- 卷：47
- 期：4
- 页码：489-495
- 全文大小：1722KB
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Eun-Soo Kim (1)
Sung-Hyun Kahng (1)
Seok-Hyun Yoon (2)
Jin-Hyung Cho (3)
Kyung-Soo Bahk (4)
Dong-Jin Kang (1)
1. Oceanographic Measurement & Instrument Calibration Service Center, KIOST, Ansan, 426-744, Korea
2. Marine Environment Research Division, NFRDI, Busan, 619-705, Korea
3. Maritime Security Division, KIOST, Ansan, 426-744, Korea
4. Centennial Technology Co, Ansan, 426-901, Korea - ISSN：2005-7172
文摘
We have developed a novel miniature in situ microprofiler (NAFRI BelpI) for coastal and deep-sea studies. The BelpI can carry up to three oxygen microsensors, and it allows for simultaneous replicate measurements in a relatively small area. All functions can be controlled and programmed via a small magnetic bar and three reed switches; this feature facilitates the initial setup both onboard and underwater. The large LCD window shows basic information such as the movement intervals of the linear stage, number of replicate measurements, waiting time between measurements, and the pA from the microsensors. From high-resolution vertical profiles of oxygen in coastal sediment measured using the microsensors, the diffusivity boundary layer thicknesses was determined to be in the range 0.30-.35 mm. In addition, the time-series measurement of oxygen profiles in permeable sandy sediment showed advective transport of oxygen into pore water by tidal agitation. Two examples of in situ measurement using a BelpI suggest that it can be widely applied to the study of the sediment-water interface.